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Retinal Vein Occlusion Learning Center
Causes could include:
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Blood clot in eye
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Veins of the retina can become blocked by a blood clot. Retinal vein occlusion also can occur when the retinal arteries put pressure on the retinal vein. This is usually caused by a condition such as:
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CRVO is a painless loss of vision that can be caused by a swollen optic disk, the small area in the retina where the optic nerve enters the eye, by dilated retinal veins, and by retinal hemorrhages. CRVO is also called venous stasis retinopathy, o...
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